Rs 5594 densdeck 2 20 v1 indd created date.
1 4 densdeck prime roof board.
Additionally densdeck prime has been shown to withstand de lamination deterioration warping and jobsite damage more effectively than roofing membrane substrates such as paper faced gypsum board.
Densdeck prime and densdeck duraguard roof boards had flame spread 0 smoke developed 0.
The 1 architecturally specified fiberglass mat gypsum roof cover board for nearly 30 years 1.
The greatest risks to roofs aren t always seen.
Technical information on this data sheet is intended to be used as a general.
Densdeck roof board 12 64 2 83 4 12 1 86 4 44 2 58 41 18 max.
2 hour moistureabsorption moisturegainedfrom50 to 90 relativehumidity 1 2 paper faced gypsum board hd fiberboard 3 4 perlite 1 2 perlite 1 4 densdeck roof board 943 1 4 densdeck duraguard roof board 1500 3 919 4 350 compressivestrength maximumpsi 1 2 paper faced.
1 4 6 35 mm densdeck prime roof board has been tested at fm approvals for 60 psf and 90 psf wind uplift for bur epdm thermoplastics and modified bitumen roof systems.
1 aia lu hsw 1 aibd p ce 0 1 iacet ceu.
Tested in accordance with astm e84 its surface burning characteristics are flame spread 0 and smoke developed 0.
Explains how the forces of nature affect roof function and durability.
Superior dimensional stability over competitive gypsum fiber boards is due to their low coefficient of thermal and hygrometric expansion.
Higher wind uplift ratings have been achieved by numerous membrane manufacturers using densdeck prime roof boards in their fm approved con struction designs.
Summarizes the advantages related to the construction process and cost benefits when including a cover board.
Long term fire protection of roofing systems is a key concern of the design authority code officials and building owners.
4 16 2020 9 55 24 am.
The course discusses the evolution of roofing cover boards.
Minimum 1 4 6 4 mm densdeck roof board serving as an.
Learn how adding a densdeck prime or densdeck stormx prime roof board to your roof assembly can help thwart the common damage inflicted by water wind fire puncture and more.
Densdeck roof boards are fm tested and approved as the only 1 2 gypsum product to meet the calorimeter requirements for conventionally insulated decks.
The unique construction of densdeck prime roof boards provides excellent flute spanning and will help stiffen and stabilize the roof deck.
